diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
new file mode 100644
index 0000000..caec7b1
--- /dev/null
+++ b/.github/workflows/build.yaml
@@ -0,0 +1,23 @@
+name: Build and test against applicable Node versions
+
+on:
+  workflow_call:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [18.x, 20.x]
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v1
+      with:
+        node-version: ${{ matrix.node-version }}
+    - run: npm install
+    - run: npm run build --if-present
+    - run: npm run lint-test
+    - run: npm test
\ No newline at end of file
diff --git a/.github/workflows/codeql.yaml b/.github/workflows/codeql.yaml
new file mode 100644
index 0000000..de0c41b
--- /dev/null
+++ b/.github/workflows/codeql.yaml
@@ -0,0 +1,40 @@
+name: "CodeQL Analysis"
+
+on:
+  workflow_dispatch:
+  push:
+    branches: [ master ]
+  pull_request:
+    # The branches below must be a subset of the branches above
+    branches: [ master ]
+    types: [synchronize, opened, reopened]
+  schedule:
+    - cron: '22 17 * * 5'
+
+jobs:
+  analyze:
+    name: Analyze
+    runs-on: ubuntu-latest
+    permissions:
+      actions: read
+      contents: read
+      security-events: write
+
+    strategy:
+      fail-fast: false
+      matrix:
+        language: [ 'javascript' ]
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v3
+
+    - name: Initialize CodeQL
+      uses: github/codeql-action/init@v3
+      with:
+        languages: ${{ matrix.language }}
+
+    - name: Perform CodeQL Analysis
+      uses: github/codeql-action/analyze@v3
+      with:
+        category: "/language:${{matrix.language}}"
\ No newline at end of file
diff --git a/.github/workflows/publish.yaml b/.github/workflows/publish.yaml
index e88b8ce..3913e1b 100644
--- a/.github/workflows/publish.yaml
+++ b/.github/workflows/publish.yaml
@@ -1,56 +1,82 @@
-name: Publish node.js package to npm whenever a tag is pushed to master
+name: Create a release and publish image to ghcr whenever a version tag is pushed to master
 
 on:
   push:
+    branches:
+      - master
     tags:
       - 'v*'
 
+env:
+  REGISTRY: ghcr.io
+  REGISTRY_USER: ${{ github.actor }}
+  REGISTRY_PASSWORD: ${{ github.token }}
+  IMAGE_NAME: ${{ github.repository }}
+
 jobs:
   build:
-
-    runs-on: ubuntu-latest
-
-    strategy:
-      matrix:
-        node-version: [18.x, 20.x]
-
-    steps:
-    - uses: actions/checkout@v2
-    - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v1
-      with:
-        node-version: ${{ matrix.node-version }}
-    - run: npm install
-    - run: npm run build --if-present
-    - run: npm run lint-test
-    - run: npm test
-
+    uses: ./.github/workflows/build.yaml
+  
   create-release:
+    name: Create release
     needs: build
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
         uses: actions/checkout@v2
       - name: Create release
-        uses: actions/create-release@v1
+        uses: comnoco/create-release@v1
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} # This token is provided by Actions
         with:
           tag_name: ${{ github.ref }}
           release_name: ${{ github.ref }}
+          body: "See the [CHANGELOG](https://github.com/gchq/CyberChef-server/blob/master/CHANGELOG.md) and [commit messages](https://github.com/gchq/CyberChef-server/commits/master) for details."
           draft: false
           prerelease: false
 
-  publish-npm:
+  publish-ghcr:
+    name: Publish image to ghcr
     needs: build
     runs-on: ubuntu-latest
+    permissions:
+      packages: write
+      contents: read
+      attestations: write
+      id-token: write
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-node@v1
+      - name: Check out the repo
+        uses: actions/checkout@v4
+
+      - uses: docker/login-action@v3
         with:
-          node-version: 18
-          registry-url: https://registry.npmjs.org/
-      - run: npm ci
-      - run: npm publish
-        env:
-          NODE_AUTH_TOKEN: ${{secrets.npm_token}}
+          registry: ${{ env.REGISTRY }}
+          username: ${{ env.REGISTRY_USER }}
+          password: ${{ env.REGISTRY_PASSWORD }}
+
+      - name: Image Metadata
+        id: meta
+        uses: docker/metadata-action@v4
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=semver,pattern={{major}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=semver,pattern={{version}}
+
+      - name: Build and push Docker image
+        id: push
+        uses: docker/build-push-action@3b5e8027fcad23fda98b2e3ac259d8d67585f671
+        with:
+          context: .
+          file: ./Dockerfile
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+
+      - name: Generate artifact attestation
+        uses: actions/attest-build-provenance@v2
+        with:
+          subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          subject-digest: ${{ steps.push.outputs.digest }}
+          push-to-registry: true
\ No newline at end of file
diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index b555466..343dc21 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -1,4 +1,4 @@
-name: Run lint and tests
+name: Test PRs to Master
 
 on:
   pull_request:
@@ -7,20 +7,4 @@ on:
 
 jobs:
   build:
-
-    runs-on: ubuntu-latest
-
-    strategy:
-      matrix:
-        node-version: [18.x, 20.x]
-
-    steps:
-    - uses: actions/checkout@v1
-    - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v1
-      with:
-        node-version: ${{ matrix.node-version }}
-    - run: npm install
-    - run: npm run build --if-present
-    - run: npm run lint-test
-    - run: npm test
\ No newline at end of file
+    uses: ./.github/workflows/build.yaml
\ No newline at end of file
diff --git a/.github/workflows/trivy.yaml b/.github/workflows/trivy.yaml
new file mode 100644
index 0000000..393f5fc
--- /dev/null
+++ b/.github/workflows/trivy.yaml
@@ -0,0 +1,53 @@
+name: Trivy scan
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    # The branches below must be a subset of the branches above
+    branches: [ "master" ]
+  schedule:
+    - cron: '22 2 * * 5'
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+    permissions:
+      contents: read # for actions/checkout to fetch code
+      security-events: write # for github/codeql-action/upload-sarif to upload SARIF results
+      actions: read # only required for a private repository by github/codeql-action/upload-sarif to get the Action run status
+    name: Build
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      # docker image tags need to be lowercase so use this helper function to convert
+      - id: toLowerCase
+        uses: vishalmamidi/lowercase-action@v1
+        with:
+          string: ${{ env.IMAGE_NAME }}
+
+      - name: Build an image from Dockerfile
+        run: |
+          docker build -t  ${{ env.REGISTRY }}/${{ steps.toLowerCase.outputs.lowercase }}:${{ github.sha }} .
+
+      - name: Run Trivy vulnerability scanner
+        uses: aquasecurity/trivy-action@7b7aa264d83dc58691451798b4d117d53d21edfe
+        with:
+          image-ref: '${{ env.REGISTRY }}/${{ steps.toLowerCase.outputs.lowercase }}:${{ github.sha }}'
+          format: 'template'
+          template: '@/contrib/sarif.tpl'
+          output: 'trivy-results.sarif'
+          severity: 'CRITICAL,HIGH'
+
+      - name: Upload Trivy scan results to GitHub Security tab
+        uses: github/codeql-action/upload-sarif@v3
+        with:
+          sarif_file: 'trivy-results.sarif'